Continued:

- updated 'core' framework

diff --git a/core b/core
index 2466801d61268197b4a6d4802e337db8dbec240b..f993e439e838c8cea3a98b1254c2cf340d68bc77 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 2466801d61268197b4a6d4802e337db8dbec240b
+Subproject commit f993e439e838c8cea3a98b1254c2cf340d68bc77